|
Attributes
|
\(\overline {\Theta }_{MLE}\)
|
\(\Theta _{MLE}^{max}\)
|
\(\Theta _{MLE}^{min}\)
|
s.d. (ΘMLE)
|
nonsig.
|
positive
|
negative
|
|---|
|
Endogenous attributes:
| | | | | | | |
|
Reciprocity
|
1.59
|
3.78
|
-2.62
|
1.31
|
15%
|
80%
|
5%
|
|
Popularity (k-in-stars)
|
3.68
|
8.25
|
0.90
|
1.79
|
8%
|
92%
|
0%
|
|
Activity (k-out-stars)
|
-1.48
|
-0.66
|
-4.32
|
0.81
|
14%
|
0%
|
86%
|
|
k-two-paths
|
-0.01
|
0.41
|
-1.00
|
0.15
|
60%
|
28%
|
12%
|
|
Cyclic closure (AT-C)
|
-0.06
|
0.56
|
-2.14
|
0.26
|
59%
|
10%
|
31%
|
|
Path closure (AT-T)
|
0.00
|
0.31
|
-1.38
|
0.24
|
48%
|
40%
|
12%
|
|
Activity closure (AT-U)
|
-0.09
|
0.35
|
-1.58
|
0.40
|
39%
|
37%
|
24%
|
|
Popularity closure (AT-D)
|
-0.28
|
0.31
|
-3.38
|
0.51
|
50%
|
6%
|
44%
|
|
Exogenous attributes:
| | | | | | | |
|
Sector homophily
|
0.19
|
2.58
|
-0.43
|
0.45
|
41%
|
42%
|
17%
|
|
Location homophily
|
0.86
|
3.68
|
0.13
|
0.72
|
9%
|
91%
|
0%
|
|
Bank homophily
|
0.44
|
0.14
|
3.12
|
0.002
|
15%
|
80%
|
5%
|
|
Size heterophily
|
3.04·10−4
|
9.02·10−3
|
-6.15. 10−03
|
1.12·10−03
|
48%
|
33%
|
19%
|
|
Sales heterophily
|
3.59·10−8
|
5.31·10−7
|
4.31. 10−10
|
7.26·10−08
|
21%
|
79%
|
0%
|
|
Sales receiver effect
|
5.80·10−8
|
1.22·10−6
|
4.73. 10−10
|
1.50·10−07
|
22%
|
78%
|
0%
|
|
Sales sender effect
|
− 1.31·10−8
|
− 1.18·10−10
|
-3.37. 10−07
|
3.71·10−08
|
52%
|
0%
|
48%
|
- The results for each parameter are given based on the 100 considered communities in the Japanese production network. A parameter is considered significant for a Wald ratio of ≥ 2. Significance is rejected for a Wald ratio of < 2. The entry in the significance column (sig.) is ′+′ if the parameter is significant and ′−′ otherwise
